Safety Practices Practical

Safety Practices Practical
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1 Answer

Answer :

Safety Practices


Practical Significance : 

It is essential to observe safety while working with electrical installation, appliance, panel etc. The knowledge of safety accessories & procedures to be followed while performing the electrical work is essential for human life as well as the quality & life of machine/equipment/wires & cables.


Practical Outcome

1. Use different electrical safety accessories and practices.


Relevant Affective domain related Outcome(s)

a. Practice good housekeeping with safety measures.

b. Demonstrate working as a leader/a team member.

c. Maintain tools and equipment.

d. Follow ethical practices.


Minimum Theoretical Background

Safety procedures and practices are essential in electrical work. Basic approaches to electrical work from the point of view of ensuring safety which include inbuilt safety in procedures such as permit—to—work system, safety instructions and safety practices are covered in SP 30 (2011): National Electrical Code 2011; Section 19, Safety in electrical work.


Practical set-up / Circuit diagram / Work Situation

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Resources Required

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Precautions to be followed

1. Switch “OFF” the mains (from which supply is fed to the circuit) for the electrical circuit to be overhauled or worked on. Always hang a tag on a main switch. The tag should read “Work in Progress”.


2. Use rubber gloves, rubber boots, apron, safety helmets and safety belts etc. before starting the work over head.


3. All electrical leads should be considered as live until it is positively proved that they are not. Check the circuit with the test lamp.


4. If ladder is used, it must be held by another person so that it may not slip away.


5. Before replacing a blown fuse, always remember to put the switch in “OFF” position.


Procedure

1. Identify various electrical safety accessories.

i. Identify various electrical safety accessories.

ii. Note down its specification in the table “Resources used”.


2. Use Rubber Insulated Electrical Gloves.

i. Wear insulated rubber hand gloves in both hands.

ii. Switch “OFF” any main switch in the laboratory.

iii. Remove the kit-kat fuses from the main switch.

iv. Check the fuse wires. Replace it with same ratings (if necessary).

V. Place the kit-kat fuses in the main switch.

vi. Switch “ON” the main switch.

(Note: Students shall use other electrical safety accessories like rubber boots, apron, safety helmets and safety belts in Vigilance of teacher).


3. Follow electrical Practices.

i. Read SP 30 (2011): National Electrical Code 2011; Section 19, Safety in electrical work and IS 5216 (Part '1).

ii. Prepare a report on Permit to work/ safety instructions/ safety practices.

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